Re: ATH9K warnings from commit b2d70d494

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* Re: ATH9K warnings from commit b2d70d494
       [not found] <CAPotdmQA6qwbUD9g7BLc_ad3VZ57y4FX_6UJ3ibMovC7Kaa4TA@mail.gmail.com>
@ 2016-06-16 11:12 ` Valo, Kalle
       [not found]   ` <CAPotdmTXsNC0AeqqKEa0_WQUA-4tuS8sMJtU5VRxZcWSM4iVgQ@mail.gmail.com>
  0 siblings, 1 reply; 2+ messages in thread
From: Valo, Kalle @ 2016-06-16 11:12 UTC (permalink / raw)
  To: johnsgruber@gmail.com
  Cc: Miaoqing Pan, ath9k-devel@lists.ath9k.org,
	linux-wireless@vger.kernel.org

(Adding linux-wireless)

johnsgruber@gmail.com writes:

> I'm getting many warning stack traces fom the above--at least two every 5
> seconds whether or not connected via wireless.
>
> Samples are below.
>
> On further investigation I see that for each of the pair gpio = 11, for
> the first ah->caps.num_gpio_pins = 10 and for the second BIT(gpio) = 0x800
> and ah->caps.gpio_mask = 0x3ff.
>
> I gather this is unexpected, but it seems like some limit on output is in order.
>
> If you can't reproduce this situation on your own systems please let me know
> if you would like me to gather more information for you on the basic problem,
> test, etc.

Kernel seems to be 4.7-rc3, but what chip? Maybe AR9462 or AR9565?

> Jun 15 07:55:13 gruber-ubuntu-acer kernel: [193389.532500] ---[ end
> trace c25c9fdececff7b3 ]---
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523554]
> ------------[ cut here ]------------
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523567] WARNING:
> CPU: 2 PID: 17657 at drivers/net/wireless/ath/ath9k/hw.c:2776
> ath9k_hw_gpio_get+0x1a9/0x1b0 [ath9k_hw]
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523568] Modules
> linked in: ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat
> nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack
> nf_conntrack ipt_REJECT nf_reject_ipv4 xt_CHECKSUM iptable_mangle
> xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter
> ip_tables ebtable_nat ebtables x_tables cmac bnep rfcomm binfmt_misc
> nls_iso8859_1 usblp arc4 ath9k snd_hda_codec_hdmi uvcvideo
> ath9k_common ath9k_hw i915 x86_pkg_temp_thermal intel_powerclamp
> coretemp kvm_intel snd_usb_audio snd_hda_codec_realtek
> videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 kvm ath
> videobuf2_core snd_hda_codec_generic videodev mac80211 snd_hda_intel
> snd_hda_codec snd_hda_core ath3k snd_usbmidi_lib joydev rtsx_usb btusb
> irqbypass btrtl crc32_pclmul snd_hwdep ghash_clmulni_intel btbcm
> snd_pcm btintel bluetooth drm_kms_helper cfg80211 aesni_intel
> snd_seq_midi snd_seq_midi_event aes_x86_64 drm lrw snd_rawmidi snd_seq
> glue_helper ablk_helper cryptd intel_cstate snd_seq_device intel_rapl
> snd_timer snd i2c_algo_bit fb_sys_fops syscopyarea mei_me mei
> sysfillrect sysimgblt soundcore serio_raw shpchp wmi lpc_ich
> parport_pc ppdev lp video mac_hid parport hid_generic usbhid hid
> psmouse r8169 mii fjes
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523613] CPU: 2 PID:
> 17657 Comm: kworker/u8:0 Tainted: G        W       4.7.0-rc3 #1
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523614] Hardware
> name: Acer Aspire TC-605/Aspire TC-605, BIOS P11-A2 11/08/2013
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523618] Workqueue:
> events_power_efficient rfkill_poll
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523620]
> 0000000000000000 ffff88003ed37d28 ffffffff813888ec 0000000000000000
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523621]
> 0000000000000000 ffff88003ed37d68 ffffffff81061311 00000ad800000082
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523623]
> ffff8800d28ec018 000000000000000b ffff8800d28f0720 0000000000000100
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523625] Call Trace:
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523629]
> [<ffffffff813888ec>] dump_stack+0x63/0x87
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523633]
> [<ffffffff81061311>] __warn+0xd1/0xf0
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523634]
> [<ffffffff810613fd>] warn_slowpath_null+0x1d/0x20
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523639]
> [<ffffffffa096ab19>] ath9k_hw_gpio_get+0x1a9/0x1b0 [ath9k_hw]
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523642]
> [<ffffffffa06293e4>] ath9k_rfkill_poll_state+0x34/0x60 [ath9k]
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523656]
> [<ffffffffa046bb53>] ieee80211_rfkill_poll+0x33/0x40 [mac80211]
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523665]
> [<ffffffffa02c45fa>] cfg80211_rfkill_poll+0x2a/0xc0 [cfg80211]
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523667]
> [<ffffffff817a4d24>] rfkill_poll+0x24/0x50
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523670]
> [<ffffffff81078aa3>] process_one_work+0x153/0x400
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523672]
> [<ffffffff8107926b>] worker_thread+0x12b/0x4b0
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523674]
> [<ffffffff81079140>] ? rescuer_thread+0x340/0x340
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523676]
> [<ffffffff8107e4d9>] kthread+0xc9/0xe0
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523678]
> [<ffffffff817ba23f>] ret_from_fork+0x1f/0x40
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523679]
> [<ffffffff8107e410>] ? kthread_park+0x60/0x60
> Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523681] ---[ end
> trace c25c9fdececff7b4 ]---

Does this patch help:

ath9k: fix GPIO mask for AR9462 and AR9565ath-current

https://git.kernel.org/cgit/linux/kernel/git/kvalo/ath.git/commit/?h=ath-current&id=e024111f6946f45cf1559a8c6fd48d2d0f696d07

-- 
Kalle Valo

^ permalink raw reply	[flat|nested] 2+ messages in thread

[parent not found: <CAPotdmTXsNC0AeqqKEa0_WQUA-4tuS8sMJtU5VRxZcWSM4iVgQ@mail.gmail.com>]

* Re: ATH9K warnings from commit b2d70d494
       [not found]   ` <CAPotdmTXsNC0AeqqKEa0_WQUA-4tuS8sMJtU5VRxZcWSM4iVgQ@mail.gmail.com>
@ 2016-06-16 15:39     ` Valo, Kalle
  0 siblings, 0 replies; 2+ messages in thread
From: Valo, Kalle @ 2016-06-16 15:39 UTC (permalink / raw)
  To: John S Gruber
  Cc: Miaoqing Pan, ath9k-devel@lists.ath9k.org,
	linux-wireless@vger.kernel.org

John S Gruber <johnsgruber@gmail.com> writes:

> It's an AR9462
>
> Here's the wifi adapter:
>
> 03:00.0 Network controller: Qualcomm Atheros AR9462 Wireless Network Adapter
> (rev 01)
> Subsystem: Lite-On Communications Inc Device 6621
> Flags: bus master, fast devsel, latency 0, IRQ 19
> Memory at f7c00000 (64-bit, non-prefetchable) [size=512K]
> Expansion ROM at f7c80000 [disabled] [size=64K]
> Capabilities: [40] Power Management version 2
> Capabilities: [50] MSI: Enable- Count=1/4 Maskable+ 64bit+
> Capabilities: [70] Express Endpoint, MSI 00
> Capabilities: [100] Advanced Error Reporting
> Capabilities: [140] Virtual Channel
> Capabilities: [160] Device Serial Number 00-00-00-00-00-00-00-00
> Kernel driver in use: ath9k
>
> The warnings go away with the patch you identified and wifi and bluetooth are
> working.

Great, thanks for testing. The patch will go to 4.7-rc release in a week
or two.

-- 
Kalle Valo

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2016-06-16 11:12 ` ATH9K warnings from commit b2d70d494 Valo, Kalle
     [not found]   ` <CAPotdmTXsNC0AeqqKEa0_WQUA-4tuS8sMJtU5VRxZcWSM4iVgQ@mail.gmail.com>
2016-06-16 15:39     ` Valo, Kalle

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